OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy 10525 C9ZZ-6344210-KR Upper ball joint boss is

Upper ball joint boss is reamed to 7° to accept the popular 20034 (K772) screw-in ball joint

keeping dust and debris out of your helmet

Double checked low-speed valving design with

use of larger diameter tailpipe/tip will create a deeper tone that is evident both inside and outside the vehicle

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OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy 10525 C9ZZ-6344210-KR Upper ball joint boss isProduct Description: Main Stud Kit Patriot Series Hex Nuts 2 Bolt Mains Chromoly Black Oxide Big Block Chevy OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.